HESI A2 Vocabulary 2023

Correct Answer: A

Rationale: The correct answer is A: Ripple. In this sentence, 'undulate' is used to describe a smooth, wave-like motion of the muscles, which aligns with the meaning of 'ripple.' The word 'undulate' implies a continuous and flowing movement, resembling the gentle and rhythmic movement of waves. The other choices, shake, flatten, and unknot, do not capture the specific fluid and continuous motion described in the sentence. 'Shake' implies a more abrupt and irregular movement, 'flatten' suggests a completely different action of making something flat, and 'unknot' refers to the action of undoing a knot, none of which fit the context of the sentence.

Correct Answer: D

Rationale: The correct answer is D: Rot. Putrefy means to decay or decompose, which is synonymous with the word "rot." Choice A, Discharge, means to release or emit, which is not related to putrefy. Choice B, Harden, means to make or become hard, opposite in meaning to putrefy. Choice C, Panic, means sudden uncontrollable fear or anxiety, not related to putrefy. Therefore, D is the correct answer as it best matches the meaning of putrefy.

Correct Answer: A

Rationale: The correct answer is A: Permeable. Permeable describes a screen or filter because it allows substances to pass through. Screens and filters are designed to allow certain particles or substances to flow through while blocking others. Choice B, Incendiary, is incorrect as it means causing fires. Choice C, Exuding, is incorrect as it means to discharge or emit. Choice D, Resilient, is incorrect as it means able to withstand or recover from difficult conditions. The key in this question is understanding the function of a screen or filter, which is to permit the passage of some substances while blocking others, making the term "permeable" the most appropriate choice.

Correct Answer: D

Rationale: The correct answer is D: Apprehension. In the given sentence, the word 'trepidation' is used to describe the students' feeling towards approaching the cadaver, indicating a sense of fear or nervousness. Apprehension aligns with this context as it signifies a feeling of anxiety or unease. A: Wonder - This choice is incorrect as 'wonder' conveys a sense of curiosity or amazement, which is not the intended meaning in this sentence. B: Confusion - This choice is incorrect as 'confusion' implies a state of being puzzled or unclear, which does not match the context of the sentence. C: Eagerness - This choice is incorrect as 'eagerness' suggests a feeling of enthusiasm or excitement, which is opposite to the fear or hesitation implied by 'trepidation' in this context. Therefore, the correct answer is D: Apprehension, as it best reflects the students' feelings of fear or anxiety when

Correct Answer: D

Rationale: The correct answer is D: Commotion. In the given sentence, 'tumult' is used to describe a state of confusion and disorder in the emergency room. A commotion refers to a noisy disturbance or uproar, which perfectly fits the context of the sentence. Siren (A) refers to a loud noise, not the overall chaotic situation. Distress (B) and suffering (C) are related to feelings of pain or discomfort, but they do not capture the sense of chaos and noise implied by 'tumult' in this context.